Experience in the use of the PRSh-2-59M, F-62-Sh and ASTRA-2 anti-dust masks in the coal mines at Gorlovka

Protopopov, P.A.; Petrova, N.I.

Gigiena i Sanitariia 35(11): 83-85

1970


ISSN/ISBN: 0016-9900
PMID: 5508037
Document Number: 19699

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